:root {
  color-scheme: dark;
  --bg: #101010;
  --side: #161616;
  --term: #121212;
  --text: #f2f2f0;
  --muted: #9a9a96;
  --faint: #6a6a66;
  --line: rgba(255, 255, 255, 0.08);
  --fill: rgba(255, 255, 255, 0.045);
  --fill-strong: rgba(255, 255, 255, 0.08);
  --green: #3dd68c;
  --red: #ff6b6b;
  --app-h: 100dvh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body { height: var(--app-h); overflow: hidden; overscroll-behavior: none; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid #d8d8d4; outline-offset: 2px; }

.app {
  height: var(--app-h);
  display: grid;
  grid-template-columns: 268px minmax(0, 1fr);
}
.sidebar {
  background: var(--side);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.side-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 14px 6px 16px;
}
.brand { font-size: 18px; font-weight: 650; letter-spacing: -0.045em; }
.side-label {
  margin: 12px 16px 6px;
  color: var(--faint);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hosts {
  list-style: none;
  margin: 0;
  padding: 0 8px 16px;
  overflow: auto;
  flex: 1;
  min-height: 0;
}
.empty-note { color: var(--faint); font-size: 13px; padding: 8px 12px; }
.host {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  text-align: left;
  background: transparent;
  border: 0;
  border-radius: 8px;
  padding: 10px 12px;
}
.host:hover, .host.selected { background: var(--fill-strong); }
.host-name { font-size: 14px; font-weight: 600; letter-spacing: -0.015em; }
.host-meta {
  color: var(--muted);
  font-size: 12px;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.side-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 16px 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
.who {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  font-size: 13px;
}
#who-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.avatar {
  width: 22px;
  height: 22px;
  border-radius: 99px;
  background: #2a2a2a center / cover no-repeat;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  font-size: 11px;
  font-weight: 650;
}
.avatar.lg { width: 64px; height: 64px; font-size: 22px; }
.avatar.has-image { color: transparent; }

.stage { display: flex; flex-direction: column; min-width: 0; min-height: 0; background: var(--bg); }
.top {
  height: 58px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 14px 0 16px;
  border-bottom: 1px solid var(--line);
}
.identity { flex: 1; min-width: 0; }
.identity h1 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.identity p { margin: 2px 0 0; color: var(--muted); font-size: 12px; }
.back {
  display: none;
  height: 32px;
  padding: 0 10px 0 2px;
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 14px;
}
.screen { position: relative; flex: 1; min-height: 0; background: var(--term); }
.placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  overflow: auto;
}
.ph-kicker {
  margin: 0 0 8px;
  color: var(--faint);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.placeholder h2 { margin: 0; font-size: 28px; font-weight: 600; letter-spacing: -0.035em; }
#ph-meta {
  margin: 8px 0 0;
  color: var(--muted);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13px;
}
.hint { margin: 10px 0 0; color: var(--muted); font-size: 13px; max-width: 36rem; }
.placeholder-actions { display: flex; gap: 16px; }
.text-btn {
  margin-top: 18px;
  border: 0;
  background: transparent;
  color: var(--faint);
  font-size: 13px;
}
.text-btn:hover { color: var(--red); }
.side-foot .text-btn { margin-top: 0; }
.files, .query {
  margin-top: 28px;
  width: min(640px, 100%);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #121212;
  overflow: hidden;
  text-align: left;
}
.files-path, .query-bar {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12px;
}
.files-head, .grid-row {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr 0.8fr;
  gap: 8px;
  padding: 8px 12px;
}
.files-head { color: var(--faint); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; }
.files-empty, .grid-empty, .query-box {
  margin: 0;
  padding: 22px 12px 28px;
  color: var(--muted);
  font-size: 13px;
}
.query-box {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  white-space: pre-wrap;
  border-bottom: 1px solid var(--line);
}

.lock { display: none; height: var(--app-h); align-items: center; justify-content: center; padding: 24px; }
.lock form {
  width: min(380px, 100%);
  padding: 28px 24px 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #161616;
}
.lock .brand { font-size: 22px; }
.lock h1 { margin: 0; font-size: 22px; font-weight: 600; letter-spacing: -0.03em; }
.lock-hint { margin: 0; color: var(--muted); font-size: 14px; }
.lock .btn { width: 100%; height: 40px; }
.install {
  display: block;
  margin: 14px auto 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
}
.side-foot .install { margin: 0; }
.install:hover { color: var(--text); }
.lock-home {
  display: block;
  margin-top: 16px;
  text-align: center;
  color: var(--faint);
  font-size: 13px;
  text-decoration: none;
}
.lock-home:hover { color: var(--text); }
body.locked .lock { display: flex; }
body.locked .app { display: none; }

.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  height: 32px;
  padding: 0 14px;
  border-radius: 8px;
  background: #f4f4f2;
  color: #161616;
  font-size: 13px;
  font-weight: 600;
}
.btn:disabled { opacity: 0.45; cursor: default; }
.btn.busy:disabled { opacity: 1; cursor: progress; }
.btn.ghost { background: transparent; color: var(--text); box-shadow: inset 0 0 0 1px var(--line); }
.spinner {
  width: 12px;
  height: 12px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 99px;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  font-size: 20px;
  line-height: 1;
}
dialog {
  width: min(440px, calc(100vw - 24px));
  max-height: min(640px, calc(var(--app-h) - 24px));
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #1b1b1b;
  color: var(--text);
  padding: 20px;
}
dialog::backdrop { background: rgba(0, 0, 0, 0.62); }
dialog h2 { margin: 0 0 14px; font-size: 18px; letter-spacing: -0.03em; }
form { display: flex; flex-direction: column; gap: 12px; }
label { display: flex; flex-direction: column; gap: 6px; color: var(--muted); font-size: 12px; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; }
.split.narrow { grid-template-columns: 96px minmax(0, 1fr); }
input, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #111;
  color: var(--text);
  padding: 10px 12px;
  font-size: 16px;
}
.form-error { margin: 0; color: var(--red); min-height: 1em; font-size: 12px; }
.form-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; }
.profile-row { display: flex; align-items: center; gap: 14px; }
.upload-track { flex: 1; height: 4px; border-radius: 99px; background: var(--fill-strong); overflow: hidden; }
.upload-bar { height: 100%; width: 0; background: var(--text); }
#password-form { margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--line); }
.saved { min-height: 1.2em; color: var(--green); font-size: 12px; }

@media (min-width: 801px) {
  body.side-hidden .app { grid-template-columns: minmax(0, 1fr); }
  body.side-hidden .sidebar { display: none; }
}
@media (max-width: 800px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  body.nav-open .sidebar { display: flex; }
  body.nav-open .stage { display: none; }
  .side-toggle { display: none; }
  .back { display: inline-flex; align-items: center; }
  .placeholder h2 { font-size: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  .spinner { animation: none; }
}